docs: def copy_meta_data(hdr_to, hdr_from):
      r"""
      Copy image meta data (voxel spacing and offset) from one header to another.
      
      Parameters
      ----------
      hdr_to : object
          An image header as returned by `load`.
      hdr_from : object
          An image header as returned by `load`.
      """
      warnings.warn('copy_meta_data() is depreciated and may be removed in future versions', category=DeprecationWarning)
      logger = Logger.getInstance()
      try:
          set_pixel_spacing(hdr_to, get_pixel_spacing(hdr_from))
      except AttributeError as e:
          logger.warning('The voxel spacing could not be set correctly. Signaled error: {}'.format(e))
      try:
          set_offset(hdr_to, get_offset(hdr_from))
      except AttributeError as e:
          logger.warning('The image offset could not be set correctly. Signaled error: {}'.format(e))